A Service is an entity that an application developer
works with to build stream apps. Examples of services include a Storm cluster to which you
want to deploy the stream application, a Kafka cluster that stream application uses to create
a streams, or an HBase cluster to which the stream application writes.

A Service Pool is a set of services associated with an
Ambari managed cluster. To manage service pools, hover over the
Configuration tab and select the Service Pool menu item.

The Service Pool dashboard lists all existing service pools, and allows you to create new
service pools.